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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
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2017-07-24Merge branch 'drm-vmwgfx-fixes' of ↵Dave Airlie1-3/+3
git://people.freedesktop.org/~syeh/repos_linux into drm-fixes misc vmwgfx fixes. * 'drm-vmwgfx-fixes' of git://people.freedesktop.org/~syeh/repos_linux: drm/vmwgfx: constify pci_device_id. drm/vmwgfx: Fix gcc-7.1.1 warning drm/vmwgfx: Fix cursor hotspot issue with Wayland on Fedora drm/vmwgfx: Limit max desktop dimensions to 8Kx8K drm/vmwgfx: dma-buf: Constify ttm_place structures. drm/vmwgfx: fix comment mistake for vmw_cmd_dx_set_index_buffer() drm/vmwgfx: Use dma_pool_zalloc drm/vmwgfx: Fix handling of errors returned by 'vmw_cotable_alloc()' drm/vmwgfx: Fix NULL pointer comparison
2017-07-17drm/vmwgfx: Fix NULL pointer comparisonRavikant B Sharma1-3/+3
Replace direct comparisons to NULL i.e. 'x == NULL' with '!x'. As per coding standard. Signed-off-by: Ravikant B Sharma <ravikant.s2@samsung.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Sinclair Yeh <syeh@vmware.com>
2017-05-18drm/vmwgfx: fix include notation and remove -Iinclude/drm flagMasahiro Yamada1-1/+2
Include <drm/*.h> instead of relative path from include/drm, then remove the -Iinclude/drm compiler flag. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-18-git-send-email-yamada.masahiro@socionext.com
2016-05-04drm/ttm: remove use_ticket parameter from ttm_bo_reserveChristian König1-1/+1
Not used any more. Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-09-14drm/vmwgfx: Fix up user_dmabuf refcountingThomas Hellstrom1-1/+1
If user space calls unreference on a user_dmabuf it will typically kill the struct ttm_base_object member which is responsible for the user-space visibility. However the dmabuf part may still be alive and refcounted. In some situations, like for shared guest-backed surface referencing/opening, the driver may try to reference the struct ttm_base_object member again, causing an immediate kernel warning and a later kernel NULL pointer dereference. Fix this by always maintaining a reference on the struct ttm_base_object member, in situations where it might subsequently be referenced. Cc: <stable@vger.kernel.org> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2015-08-12drm/vmwgfx: Fix copyright headersSinclair Yeh1-1/+1
Updating and fixing copyright headers. Bump version minor to signal vgpu10 support. Signed-off-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2015-08-12drm/vmwgfx: Initial DX supportThomas Hellstrom1-44/+440
Initial DX support. Co-authored with Sinclair Yeh, Charmaine Lee and Jakob Bornecrantz. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Charmaine Lee <charmainel@vmware.com>
2015-08-05drm/vmwgfx: Kill a bunch of sparse warningsThomas Hellstrom1-5/+5
We're giving up all attempts to keep cpu- and device byte ordering separate. This silences sparse when compiled using make C=2 CF="-D__CHECK_ENDIAN__" Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
2015-08-05 vmwgfx: Rework device initializationThomas Hellstrom1-2/+2
This commit reworks device initialization so that we always enable the FIFO at driver load, deferring SVGA enable until either first modeset or fbdev enable. This should always leave the fifo properly enabled for render- and control nodes. In addition, *) We disable the use of VRAM when SVGA is not enabled. *) We simplify PM support so that we only throw out resources on hibernate, not on suspend, since the device keeps its state on suspend. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2014-12-03drm/vmwgfx: (Re)bind shaders to MOBs with the correct offsetThomas Hellstrom1-1/+1
This codepath is mostly hit when rebinding after a backup buffer swapout. It's amazing that this error hasn't been more obvious but probably the shaders are not reread from guest memory that often.. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2014-07-04drm/vmwgfx: Fix compat shader namespaceThomas Hellstrom1-272/+124
Contrary to the host-backed shader interface that has a per-context name-space for shaders, the compat shader namespace was per client (or rather, per file). Fix this so that the compat shader namespace is per context, and at the same time, make command buffer managed context resource management generic. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-03-28drm/vmwgfx: Use a per-device semaphore for reservation protectionThomas Hellstrom1-3/+2
Don't use a per-master semaphore (ttm lock) for reservation protection, but rather a per-device semaphore. This is needed since clients connecting using render nodes aren't master aware. The ttm lock used should probably be replaced with a reader-write semaphore once the function down_xx_interruptible() is available. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2014-02-12drm/vmwgfx: Fix a couple of sparse warnings and errorsThomas Hellstrom1-7/+9
Introduced with 3.14-rc1 Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05drm/vmwgfx: Reemit context bindings when necessary v2Thomas Hellstrom1-1/+1
When a context is first referenced in the command stream, make sure that all scrubbed (as a result of eviction) bindings are re-emitted. Also make sure that all bound resources are put on the resource validate list. This is needed for legacy emulation, since legacy user-space drivers will typically not re-emit shader bindings. It also removes the requirement for user-space drivers to re-emit render-target- and texture bindings. Makes suspend and hibernate now also work with legacy user-space drivers on guest-backed devices. v2: Don't rebind on legacy devices. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05drm/vmwgfx: Emulate legacy shaders on guest-backed devices v2Thomas Hellstrom1-48/+417
Command stream legacy shader creation and destruction is replaced by NOPs in the command stream, and instead guest-backed shaders are created and destroyed as part of the command validation process. v2: Removed some stray debug messages. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-01-21drm/vmwgfx: Fix recently introduced sparse / smatch warnings and errorsThomas Hellstrom1-0/+1
Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrant <jakob@vmware.com>
2014-01-17drm/vmwgfx: Persistent tracking of context bindingsThomas Hellstrom1-0/+4
Only scrub context bindings when a bound resource is destroyed, or when the MOB backing the context is unbound. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Zack Rusin <zackr@vmware.com>
2014-01-17drm/vmwgfx: Add guest-backed shadersThomas Hellstrom1-0/+436
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Zack Rusin <zackr@vmware.com>
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